Home / 23,048.91-31,808.09-12,977.73

Finding the Fourth Proportional to 23,048.91, 31,808.09 and 12,977.73

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Solution

The fourth proportional to 23,048.91, 31,808.09 and 12,977.73 is: 17,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.91 : 31,808.09 = 12,977.73 : x
  2. Step 2: Convert to fraction form
    23,048.91/31,808.09 = 12,977.73/x
  3. Step 3: Cross multiply
    23,048.91x = 31,808.09 × 12,977.73
  4. Step 4: Simplify right side
    23,048.91x = 412,796,836.28
  5. Step 5: Solve for x
    x = 412,796,836.28/23,048.91
  6. Step 6: Final answer
    x = 17,909.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.